Bolt inspection

Material Analysis 百检检测 2024-03-05

The BAIJIAN Research Institute is a collective owned research institute and a third-party testing institution with CMA qualifications. We can provide various bolt composition analysis、 formula reduction、 physical and chemical properties、 quality testing、 industrial diagnosis and other services Testing fee: Free initial testing、 quoted based on customer testing needs and experimental complexity Testing cycle: 7-15 working days to issue a testing report Contact number: 400-101-7153 or click on online consultation、 and our R&D engineers will communicate with you one-on-one

Detection range

M30 and above large-sized bolts、 engineering bolts、 L-shaped bolts、 T-shaped bolts、 foundation bolts、 double headed bolts、 bridge connecting bolts、 fastening bolts、 high-strength bolts、 etc

Test items

Category items: Conventional element analysis quality (composition analysis)、 silicon、 manganese、 phosphorus、 carbon、 sulfur、 nickel、 chromium、 copper、 magnesium、 calcium、 iron、 titanium、 zinc、 lead、 antimony、 cadmium、 bismuth、 arsenic、 sodium、 potassium、 aluminum、 etc; Analysis of precious metal elements such as silver、 gold、 palladium、 platinum、 rhodium、 ruthenium、 iridium、 osmium、 etc; Physical properties、 magnetic properties、 electrical properties、 thermal properties、 oxidation resistance、 wear resistance、 salt spray、 corrosion、 density、 thermal expansion coefficient、 elastic modulus、 hardness; Chemical properties: atmospheric corrosion、 intergranular corrosion、 stress corrosion、 pitting corrosion、 corrosion fatigue、 artificial atmosphere corrosion; Mechanical properties include tensile、 bending、 yield、 fatigue、 torsion、 stress、 stress relaxation、 impact、 wear、 hardness、 hydraulic resistance、 tensile creep、 expansion、 flattening、 compression、 shear strength、 etc; Process performance: fine wire stretching、 fracture inspection、 repeated bending、 bidirectional torsion、 hydraulic test、 expanding、 bending、 curling、 flattening、 ring expansion、 ring stretching、 microstructure、 metallographic analysis; Non destructive testing: X-ray non-destructive testing、 electromagnetic ultrasonic testing、 ultrasonic testing、 eddy current testing、 magnetic flux leakage testing、 penetration testing、 magnetic particle testing、 fracture analysis、 corrosion analysis、 etc; Metallographic examination of macroscopic and microscopic metallography< p>

Partial Inspection Standards

GB/T 8: Square Head Bolt、 Grade C

GB/T 10: Countersunk Head Square Neck Bolt

GB/T 11: Countersunk Head Square Neck Bolt

GB/T 12: Half Round Head Square Neck Bolt

GB/T 13: Half Round Head Tenon Bolt

GB/T 14: Large Half Round Head Square Neck Bolt、 Grade C

GB/T 15: Large Half Round Head Tenon Bolt

GB/T 27: Bolts for Hexagon Head Reaming Holes、 Grade A and B

GB/T 28: Hexagon head screw bolts for reaming holes、 Grade A and B

GB/T 29.1: Hexagon head grooved bolts、 Grade A and B

GB/T 29.2: Cross recessed hexagonal head bolts

Testing advantages of Baijian Research Institute

Strength guarantee: Collective owned scientific research institute、 complete scientific research projects.

Free initial inspection: Free initial inspection allows you to have a worry free testing experience Shorter cycle: Test reports can be issued within 7-10 working days

High quality service: Engineers provide one-on-one service and follow up on the entire project Advanced technology: A doctoral team with over 300 imported equipment from Europe and America Strict and fair: a cooperative unit of the public security、 procuratorial and legal departments、 scientific and accurate Multiple branches: accept nationwide on-site sampling/sample sending services One click query: supports scanning for authenticity and high recognition of reports

Report purpose of BAIJIAN Research Institute

Sales: Issue testing reports to commission product competitiveness.

R&D: Shorten the R&D cycle and reduce R&D costs Quality: Determine the quality of raw materials and reduce production risks Diagnosis: Identify the root cause of the problem and improve product quality Research: Customize a complete plan and provide raw data

Bidding: The report has high recognition and improves the success rate of bidding

Testing Process of Baijia.net Research Institute

1. Consult with engineers and submit testing requirements.

2. Sample delivery/mailing 3. Free initial inspection and quotation 4. Sign contracts and confidentiality agreements 5. Customize the plan and conduct experiments 6. Provide experimental results and testing reports 7. More value-added services

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

4. Papers and research: Provide professional personalized testing needs

5. Judicial services: providing scientific、 fair、 and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

inspection and testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Testing and testing characteristics:

1. The testing industry is fully covered、 meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing、 with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle、 low cost、 and attentive service

7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc

8. The testing report is authoritative and effective、 and is generally used in China

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